Hong Kong hospitals began to buckle under the strain of rising coronavirus infections as the city recorded 1,619 new Covid-19 cases and 5,400 suspected cases on February 15, 2022. Hong Kong treats all of its Covid-19 patients in dedicated isolation wards to control the airflow in the room and reduce the amount of airborne infectious particles. With isolation beds 90 per cent full, more than 12,000 infected people are still waiting to be admitted to wards or isolation facilities. At least two…